But then, the founders / presidents would need to pay income-tax on their salaries. The only benefit in this arrangement is that sops given to individuals might be higher than that to companies.
What are you talking about? Six-figure salaries would never be taxed as corporate income in the first place. Compensation up to a million is a straight-up deduction, no questions asked. You don't need to be a tax-exempt entity to avoid corporate income tax on them.